I pulled a tick off of my side this morning tonight there was a purple/red spot about an inch long where the tick was do i need to be worried?

What kind of tick?: Many deer ticks [the tiny ones] carry lyme disease. A single dose of 200mg doxycycline or minocycline taken within 72 hours will prevent most lyme disease. You have a local reaction which will heal in a week. Get a dose of antibiotic. If you have repeated encounters with deer ticks, keep a few pills handy so you can easily take 2 at the time of each episode. A Dr or convenience clinic can give you